628432840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{3863}}^1$

素因数の和:3971

約数の個数: 96

約数和(自身を含む): 1665074880

約数和(自身を除く): 1036642040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 83, 98, 140, 166, 196, 245, 280, 332, 392, 415, 490, 581, 664, 830, 980, 1162, 1660, 1960, 2324, 2905, 3320, 3863, 4067, 4648, 5810, 7726, 8134, 11620, 15452, 16268, 19315, 20335, 23240, 27041, 30904, 32536, 38630, 40670, 54082, 77260, 81340, 108164, 135205, 154520, 162680, 189287, 216328, 270410, 320629, 378574, 540820, 641258, 757148, 946435, 1081640, 1282516, 1514296, 1603145, 1892870, 2244403, 2565032, 3206290, 3785740, 4488806, 6412580, 7571480, 8977612, 11222015, 12825160, 15710821, 17955224, 22444030, 31421642, 44888060, 62843284, 78554105, 89776120, 125686568, 157108210, 314216420, 628432840]

約数ペア:

[(1, 628432840), (2, 314216420), (4, 157108210), (5, 125686568), (7, 89776120), (8, 78554105), (10, 62843284), (14, 44888060), (20, 31421642), (28, 22444030), (35, 17955224), (40, 15710821), (49, 12825160), (56, 11222015), (70, 8977612), (83, 7571480), (98, 6412580), (140, 4488806), (166, 3785740), (196, 3206290), (245, 2565032), (280, 2244403), (332, 1892870), (392, 1603145), (415, 1514296), (490, 1282516), (581, 1081640), (664, 946435), (830, 757148), (980, 641258), (1162, 540820), (1660, 378574), (1960, 320629), (2324, 270410), (2905, 216328), (3320, 189287), (3863, 162680), (4067, 154520), (4648, 135205), (5810, 108164), (7726, 81340), (8134, 77260), (11620, 54082), (15452, 40670), (16268, 38630), (19315, 32536), (20335, 30904), (23240, 27041)]